Well there have been accounts of people feeding it to their dogs when coming upon some. I'm not going to argue it. But how would I know for sure, or you? Personally, I'd not be one to try such a thing. I haven't heard of people trying to chow down on it, but the fact remains they were found in a remarkable state of preservation. Why try to deny it?
I haven't tried to deny that.
..most were somewhat mutilated by predators prior to freezing
By the way, how exactly, in these cases do we know it was prior to freezing?
It's trivial to tell the difference between bites in unfrozen flesh and bites in frozen flesh.
For more information, see
Frozen Mammoths and the references contained therein, and
Woolly Mammoths: Evidence of Catastrophe?